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ANATOMY / REFERENCE GALLERY1 / 4 references
upper posterior nerves: original labelled anatomical illustration.
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axillary nerve

Axillary nerve near posterior shoulder, deep to deltoid.

Zoom in, then drag to inspect. Keyboard: + / − to zoom, arrows to pan, 0 to reset. Tap the numbered markers to explore parts.

upper posterior nerves: original labelled anatomical illustration.

Image: Henry Vandyke Carter / Gray’s Anatomy (1918) · Source / original · Public domain

Numbered markers and focused views are Mediveerse learning overlays; the original reference is linked above.

Axillary nerve

Nerves & vessels

Axillary nerve

STRUCTURE & FUNCTION

Understand what you see.

Supplies deltoid and teres minor and lateral shoulder skin.

Zoom into the original labels. Practise pointing out each structure, then explain it aloud. Diagrams are teaching references; specimen appearance and slide staining vary.

01 / IDENTIFICATION

How to recognise it.

  1. Posterior cord terminal branch
  2. Passes through quadrangular space
  3. Winds near surgical neck
02 / KEY STRUCTURES

Point them out.

Tap a number to open its reference, zoom in and locate the structure. Numbers stay the same across views. This key follows landmarks visible in the reference images.

Related features & study points (3)

Additional relations, attachments or microscopic details to revise alongside this plate. These are separate from its numbered image landmarks.

  • Deltoid branch
  • Teres minor branch
  • Superior lateral cutaneous arm branch
03 / VIVA PRACTICE

Think first. Then reveal.

Say your answer aloud before opening the suggested response.

01How do you identify axillary nerve?
SUGGESTED ANSWER

Posterior cord terminal branch. Passes through quadrangular space. Winds near surgical neck.

02Which artery accompanies it in the quadrangular space?
SUGGESTED ANSWER

Posterior circumflex humeral artery.

03What should be tested after shoulder dislocation?
SUGGESTED ANSWER

Deltoid activation and sensation over lateral shoulder, alongside a complete clinical neurovascular examination.

04What is its main functional or developmental significance?
SUGGESTED ANSWER

Supplies deltoid and teres minor and lateral shoulder skin. Key structures to recognise: Deltoid branch; Teres minor branch; Superior lateral cutaneous arm branch.

Read the references.

Credited anatomical plates, microscopy and university teaching references. Individual image credits appear below the viewer. Historical plates can use older terminology; use the lesson text for current names.